/* ==========================================================================
   Blog Post Detail
   ========================================================================== */

/* --- Hero image --- */
.post-hero {
  position: relative;
  width: 100%;
  max-height: 480px;
  overflow: hidden;
  background-color: var(--color-neutral-100);
}

.post-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- Breadcrumb --- */
.post-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  margin-bottom: var(--space-6);
}

.post-breadcrumb a {
  color: var(--color-primary-500);
  text-decoration: none;
}

.post-breadcrumb a:hover {
  text-decoration: underline;
}

.post-breadcrumb span[aria-current] {
  color: var(--color-neutral-600);
}

/* --- Post header --- */
.post-header {
  margin-bottom: var(--space-10);
}

.post-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-neutral-900);
  line-height: var(--leading-tight);
  margin-top: var(--space-3);
  margin-bottom: var(--space-4);
}

.post-header__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
}

.post-header__meta i {
  margin-right: var(--space-1);
  color: var(--color-primary-400);
}

/* --- Post content --- */
.post-content {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

.post-content__lead {
  font-size: var(--text-lg);
  color: var(--color-neutral-700);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  border-left: 4px solid var(--color-primary-500);
  padding-left: var(--space-5);
}

.post-content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-neutral-900);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.post-content p {
  margin-bottom: var(--space-5);
}

.post-content a {
  color: var(--color-primary-500);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post-content a:hover {
  color: var(--color-primary-700);
}

/* --- Figures --- */
.post-content__figure {
  margin: var(--space-8) 0;
}

.post-content__figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  display: block;
}

.post-content__figure figcaption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-neutral-400);
  text-align: center;
  font-style: italic;
}

.post-content__figure--grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.post-content__figure--grid figcaption {
  grid-column: 1 / -1;
}

@media (max-width: 640px) {
  .post-content__figure--grid {
    grid-template-columns: 1fr;
  }
}

/* --- Blockquote --- */
.post-content__quote {
  background-color: var(--color-primary-50);
  border-left: 4px solid var(--color-primary-500);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-6) var(--space-8);
  margin: var(--space-8) 0;
}

.post-content__quote p {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-neutral-800);
  margin-bottom: var(--space-3);
}

.post-content__quote cite {
  display: block;
  font-size: var(--text-sm);
  font-style: normal;
  color: var(--color-primary-600);
  font-weight: var(--weight-semibold);
}

/* --- Callout box --- */
.post-content__callout {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  background-color: var(--color-secondary-50);
  border: 1px solid var(--color-secondary-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin: var(--space-8) 0;
}

.post-content__callout-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-secondary-500);
  color: #fff;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  font-size: 1.25rem;
}

.post-content__callout strong {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-1);
}

.post-content__callout p {
  font-size: var(--text-sm);
  color: var(--color-neutral-600);
  margin-bottom: 0;
}

/* --- Share --- */
.post-share {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.post-share__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-600);
}

.post-share__links {
  display: flex;
  gap: var(--space-2);
}

.post-share__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-600);
  text-decoration: none;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.post-share__link:hover {
  background-color: var(--color-primary-500);
  color: #fff;
}

/* --- Author box --- */
.post-author {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-6);
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
  background-color: var(--color-neutral-50);
  border-radius: var(--radius-xl);
}

.post-author__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-500);
  color: #fff;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.post-author__name {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-1);
}

.post-author__bio {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  margin: 0;
  line-height: var(--leading-normal);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .post-header__title {
    font-size: var(--text-3xl);
  }

  .post-hero {
    max-height: 300px;
  }

  .post-content__quote {
    padding: var(--space-5) var(--space-6);
  }

  .post-content__callout {
    flex-direction: column;
  }

  .post-author {
    flex-direction: column;
    text-align: center;
  }
}